Critical severity · published Dec 12, 2020
CVE-2020-29563
An issue was discovered on Western Digital My Cloud OS 5 devices before 5.07.118
9.8
CVSS
2.9%
EPSS
No
On KEV
Description
An issue was discovered on Western Digital My Cloud OS 5 devices before 5.07.118. A NAS Admin authentication bypass vulnerability could allow an unauthenticated user to gain access to the device.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.9% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MC
MY Cloud OS 5 · Westerndigital
before 5.07.118 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-29563
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-29563
Vendor Advisory
https://www.westerndigital.com/support/productsecurity/wdc-20010-my-cloud-os5-firmware-5-07-118
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-1446/
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